COX-FUNKHOUSER 19J

Oil · District 7C · Lease #21067

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

145k BBL

Cum Gas

331k MCF

casinghead

Wells

1

Production

2020-07 — 2026-04

Peak Month

2022-09

Production History

Cum Oil: 145,407 BBL Cum Gas: 331,314 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,120 BBL/mo

Di (annual)

98.4%

b-factor

0.5

EUR

120,073 BBL

R-squared

0.725

type

hyperbolic

Operator History (from monthly production reports)

2020-07 — 2026-07 PIONEER NATURAL RES. USA, INC. 73 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10HPIONEER NATURAL RES. USA, INC.110,2872019-09-20